Home / 12,498.32-18,735.96-6,340.88

Finding the Fourth Proportional to 12,498.32, 18,735.96 and 6,340.88

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Solution

The fourth proportional to 12,498.32, 18,735.96 and 6,340.88 is: 9,505.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,498.32 : 18,735.96 = 6,340.88 : x
  2. Step 2: Convert to fraction form
    12,498.32/18,735.96 = 6,340.88/x
  3. Step 3: Cross multiply
    12,498.32x = 18,735.96 × 6,340.88
  4. Step 4: Simplify right side
    12,498.32x = 118,802,474.04
  5. Step 5: Solve for x
    x = 118,802,474.04/12,498.32
  6. Step 6: Final answer
    x = 9,505.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.